Ok , I am about to blow your mind. If you have read my previous list, you probably know that you can redirect creep/tower aggro, by pressing the attack button and then clicking on a friendly creep/hero. Well you can redirect creep aggro globally. This means that it doesn’t matter where you are on the map, as long as you are in a 500 range of creeps. You can do the attack key anywhere on the map, and the creeps (and towers) of that area will redirect their aggro. This would be super useful when you are trying to save a friendly hero.
Not only this, but you can also right-click an enemy hero (anywhere on the map) and that will redirect your creeps (the ones closest to the hero) and the friendly tower aggro towards them.